package com.it.od.old2021.od;

import java.util.Scanner;

/**
 * @author: liminghui
 * @date: 2022/8/2 2:01
 * @version: 1.0
 * @description:
 */
public class Main4 {
    public static void main(String[] args) {
        Scanner in = new Scanner(System.in);
        double number = in.nextDouble();
        long round = Math.round(number);
        System.out.println(round);
    }
}
